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this post was submitted on 19 Aug 2023
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I've always been amazed those small blades can make enough lift in the thin martian atmosphere
Here's a picture of a to-scale model to emphasize what the other comment is saying - Ingenuity isn't that small, and also remember that Mars' surface gravity is only about 40% of Earth's.
The blades total length are 1.2m. Not that small really.
~5x faster rpm than a similarly sized rotor could reach on earth.